Ozone is considered to be the most common air pollutant in the United States.
The most common indoor air pollutant is air freshener.
"lead" is the air pollutant that decreased most in 1970 to 1991.
Radon is an indoor air pollutant that can be a warning to home owners.
A type of air pollution which is most common around cities is smog. The most common causes of smog are automobile exhaust and industrial plants.
Carbon dioxide is the air pollutant that most concerns Americans.
Buring of fossil fuels
CO2.
A lot of substances are not air pollutant. You must specify which kind of substance do you refer as a probable air pollutant.
Pollutant
Major air pollution disasters have all occurred in industrialized areas.
no